IBM 88772ru User Guide - Page 50
Installing, microprocessor/memory
UPC - 000435948922
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a. Grasp the microprocessor/memory card by the retention levers and turn the microprocessor/memory card so that the connectors align with the connectors on the I/O board. b. Align the microprocessor/memory card with the guides. c. Press the microprocessor/memory card into the connectors and close the retention levers. Slide the retention tabs to lock the card in place. If you have other devices to install or remove, do so now; otherwise, go to "Completing the installation" on page 40. Installing a microprocessor/memory card The following notes describe information that you must consider when you install a microprocessor/memory card: v At least one microprocessor/memory card with one pair of DIMMs must be installed for the server to operate. v Each microprocessor/memory card comes with one AMD Opteron microprocessor and has eight DIMM connectors. v The server supports up to four microprocessor/memory cards with four microprocessors. If you are installing two or more microprocessors, all must be the same cache size and type. v At least three microprocessor/memory cards must be installed to support a HyperTransport adapter. v The server operates at the clock speed of the lowest speed microprocessor in the server. v With more than one microprocessor, the server can operate as a symmetric multiprocessing (SMP) server. With SMP, certain operating systems and application programs can distribute the processing load among the microprocessors. This enhances performance for database and point-of-sale applications, integrated manufacturing solutions, and other applications. v Read the documentation that comes with the microprocessor to determine whether you must update the basic input/output system (BIOS) code in the server. To download the most current level of BIOS code for the server, go to http://www.ibm.com/servers/eserver/support/xseries/index.html. v Obtain an SMP-capable operating system. For a list of supported operating systems, see http://www.ibm.com/servers/eserver/serverproven/compat/us/. v You can use the Configurations/Setup Utility program to determine the specific type of microprocessor in the server. v When you install additional microprocessor/memory cards, populate the microprocessor/memory card connectors in numeric order on the I/O board, starting with connector 2. Install the microprocessor/memory cards in the order shown in the following illustration. 38 IBM System x3755 Type 8877: User's Guide